Bootstrap carousel轮播图插件 简洁版

HTML部分  （只需修改图片路径，增删图片数量都可，尺寸统一）

CSS部分

.carousel {
    position: relative;
}
.carousel-inner {
    position: relative;
    width: 100%;
    overflow: hidden;
}
.carousel-inner > .item {
    position: relative;
    display: none;
    -webkit-transition: .6s ease-in-out left;
    -o-transition: .6s ease-in-out left;
    transition: .6s ease-in-out left;
}
.carousel-inner > .item > img,
.carousel-inner > .item > a > img {
    line-height: 1;
}
@media all and (transform-3d), (-webkit-transform-3d) {
    .carousel-inner > .item {
        -webkit-transition: -webkit-transform .6s ease-in-out;
        -o-transition:      -o-transform .6s ease-in-out;
        transition:         transform .6s ease-in-out;

        -webkit-backface-visibility: hidden;
        backface-visibility: hidden;
        -webkit-perspective: 1000px;
        perspective: 1000px;
    }
    .carousel-inner > .item.next,
    .carousel-inner > .item.active.right {
        left: 0;
        -webkit-transform: translate3d(100%, 0, 0);
        transform: translate3d(100%, 0, 0);
    }
    .carousel-inner > .item.prev,
    .carousel-inner > .item.active.left {
        left: 0;
        -webkit-transform: translate3d(-100%, 0, 0);
        transform: translate3d(-100%, 0, 0);
    }
    .carousel-inner > .item.next.left,
    .carousel-inner > .item.prev.right,
    .carousel-inner > .item.active {
        left: 0;
        -webkit-transform: translate3d(0, 0, 0);
        transform: translate3d(0, 0, 0);
    }
}
.carousel-inner > .active,
.carousel-inner > .next,
.carousel-inner > .prev {
    display: block;
}
.carousel-inner > .active {
    left: 0;
}
.carousel-inner > .next,
.carousel-inner > .prev {
    position: absolute;
    top: 0;
    width: 100%;
}
.carousel-inner > .next {
    left: 100%;
}
.carousel-inner > .prev {
    left: -100%;
}
.carousel-inner > .next.left,
.carousel-inner > .prev.right {
    left: 0;
}
.carousel-inner > .active.left {
    left: -100%;
}
.carousel-inner > .active.right {
    left: 100%;
}
.carousel-control {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    width: 15%;
    font-size: 20px;
    color: #fff;
    text-align: center;
    text-shadow: 0 1px 2px rgba(0, 0, 0, .6);
    background-color: rgba(0, 0, 0, 0);
    filter: alpha(opacity=50);
    opacity: .5;
}
.carousel-control.left {
    background-image: -webkit-linear-gradient(left, rgba(0, 0, 0, .5) 0%, rgba(0, 0, 0, .0001) 100%);
    background-image:      -o-linear-gradient(left, rgba(0, 0, 0, .5) 0%, rgba(0, 0, 0, .0001) 100%);
    background-image: -webkit-gradient(linear, left top, right top, from(rgba(0, 0, 0, .5)), to(rgba(0, 0, 0, .0001)));
    background-image:         linear-gradient(to right, rgba(0, 0, 0, .5) 0%, rgba(0, 0, 0, .0001) 100%);
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#80000000', endColorstr='#00000000', GradientType=1);
    background-repeat: repeat-x;
}
.carousel-control.right {
    right: 0;
    left: auto;
    background-image: -webkit-linear-gradient(left, rgba(0, 0, 0, .0001) 0%, rgba(0, 0, 0, .5) 100%);
    background-image:      -o-linear-gradient(left, rgba(0, 0, 0, .0001) 0%, rgba(0, 0, 0, .5) 100%);
    background-image: -webkit-gradient(linear, left top, right top, from(rgba(0, 0, 0, .0001)), to(rgba(0, 0, 0, .5)));
    background-image:         linear-gradient(to right, rgba(0, 0, 0, .0001) 0%, rgba(0, 0, 0, .5) 100%);
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#00000000', endColorstr='#80000000', GradientType=1);
    background-repeat: repeat-x;
}
.carousel-control:hover,
.carousel-control:focus {
    color: #fff;
    text-decoration: none;
    filter: alpha(opacity=90);
    outline: 0;
    opacity: .9;
}
.carousel-control .icon-prev,
.carousel-control .icon-next,
.carousel-control .glyphicon-chevron-left,
.carousel-control .glyphicon-chevron-right {
    position: absolute;
    top: 50%;
    z-index: 5;
    display: inline-block;
    margin-top: -10px;
}
.carousel-control .icon-prev,
.carousel-control .glyphicon-chevron-left {
    left: 50%;
    margin-left: -10px;
}
.carousel-control .icon-next,
.carousel-control .glyphicon-chevron-right {
    right: 50%;
    margin-right: -10px;
}
.carousel-control .icon-prev,
.carousel-control .icon-next {
    width: 20px;
    height: 20px;
    font-family: serif;
    line-height: 1;
}
.carousel-control .icon-prev:before {
    content: '\2039';
}
.carousel-control .icon-next:before {
    content: '\203a';
}
.carousel-indicators {
    position: absolute;
    bottom: 10px;
    left: 50%;
    z-index: 15;
    width: 60%;
    padding-left: 0;
    margin-left: -30%;
    text-align: center;
    list-style: none;
}
.carousel-indicators li {
    display: inline-block;
    width: 10px;
    height: 10px;
    margin: 1px;
    text-indent: -999px;
    cursor: pointer;
    background-color: #000 \9;
    background-color: rgba(0, 0, 0, 0);
    border: 1px solid #fff;
    border-radius: 10px;
}
.carousel-indicators .active {
    width: 12px;
    height: 12px;
    margin: 0;
    background-color: #fff;
}
.carousel-caption {
    position: absolute;
    right: 15%;
    bottom: 20px;
    left: 15%;
    z-index: 10;
    padding-top: 20px;
    padding-bottom: 20px;
    color: #fff;
    text-align: center;
    text-shadow: 0 1px 2px rgba(0, 0, 0, .6);
}
.carousel-caption .btn {
    text-shadow: none;
}
@media screen and (min-width: 768px) {
    .carousel-control .glyphicon-chevron-left,
    .carousel-control .glyphicon-chevron-right,
    .carousel-control .icon-prev,
    .carousel-control .icon-next {
        width: 30px;
        height: 30px;
        margin-top: -10px;
        font-size: 30px;
    }
    .carousel-control .glyphicon-chevron-left,
    .carousel-control .icon-prev {
        margin-left: -10px;
    }
    .carousel-control .glyphicon-chevron-right,
    .carousel-control .icon-next {
        margin-right: -10px;
    }
    .carousel-caption {
        right: 20%;
        left: 20%;
        padding-bottom: 30px;
    }
    .carousel-indicators {
        bottom: 20px;
    }
}

JS部分(jQuery和3.3版本的bootstrap压缩版js)

使用方法：将html部分复制到插入到需要轮播的地方，将css部分复制，建立一个css文件，然后

引用这个css文件即可，js部分先引用jquery，然后引用bootstrap压缩版，放在最下面前。